header {
	position: relative;
	width: 1024px;
	height: 47px;
	margin: 0 auto;
}
ul.botton {
	position: absolute;
	margin: 0;
	padding: 0;
	top: 11px;
	left: 0;
	display: flex;
	list-style: none;
	z-index: 10;
} 
ul.botton02 {
	position: absolute;
	margin: 0;
	padding: 0;
	top: 11px;
	left: 0;
	display: flex;
	list-style: none;
	z-index: 1;
}
ul.botton li:not(:last-child),
ul.botton02 li:not(:last-child) { margin-right: 4px; }

.contents {
	width: 1024px;
	margin: 0 auto;
	z-index: 1;
}